Is every section of the chromosome active? Why or why not?

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration

Acoil suspended freely, points in some direction when no current is passed through it . can you tell what will happen when a current is passed though it?

Vi. on another planet, a spring with constant 4.7 n/m is set up and allowed to expand verticaly freely. 8.4kg mass is placed on the spring and the spring extends 5.28m. calculate the exected extension on earth.